<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">
        {{a.b}}
        <br/>
        <input type="text" v-model="a.b">
    </div>
    <script src="/xuni/bundle.js"></script>
    <script>
        new Vue({
            el:'#app',
            data:{
                a:{
                    b:10
                }
            }
        })
    </script>
</body>
</html>